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From: | Ralf Hemmecke |
Subject: | [Axiom-developer] Use ! as factorial |
Date: | Thu, 03 Apr 2008 16:28:30 +0200 |
User-agent: | Thunderbird 2.0.0.12 (X11/20080213) |
On 04/03/2008 02:56 PM, Francois Maltey wrote:
factorial is very common for *my* use of CAS : 50% of numerical analysis, 50% of algebraic transformations. And all? other Computer Algebra System uses ! for factorial. I feel that ! is the standard function for factorial. I remember a first play with axiom for an other teacher.He wants to see a big number, so he tests 123!. This day he doesn't find axiom as usual as other CAS.
Hmm, does anybody see a reason that ! could not be a special keyword of SPAD/Aldor that behaves as postfix operator similar to the douple dot operator ".." in Aldor?
Ralf
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